Build a Sentence Part One is designed to help children identify subjects and predicates in order to build simple sentences. It introduces the concept that the subject of the sentence is the “doer” and the predicate is the action being done. This activity set can be played solo or in small groups and also helps to hone reading skills as children build sentences from the 30 subject cards and 30 predicate cards. This literacy set also includes step-by-step instructions. Ages 7+.